CHAR-DIR CHUNGH.-M. ChenW.-C. ChenCHAR-DIR CHUNG2018-09-102018-09-102011-05http://scholars.lib.ntu.edu.tw/handle/123456789/366593Spectrally precoded OFDM and OFDMA with cyclic prefix and unconstrained guard ratiosjournal article10.1109/TWC.2010.041211.0918012-s2.0-79957654696WOS:000290992300012